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Design and Behaviour of Extended Shear Tabs under Combined Loads Open Access


Other title
Axial Load
Steel Connections
Design Recommendations
Combined Load
Shear Tab
Extended Shear Tab
Experimental Tests
Type of item
Degree grantor
University of Alberta
Author or creator
Thomas, Kristin S
Supervisor and department
Driver, Robert (Civil and Environmental Engineering)
Examining committee member and department
Driver, Robert (Civil and Environmental Engineering)
Callele, Logan (N/A)
Cheng, Roger (Civil and Environmental Engineering)
Jar, Ben (Mechanical Engineering)
Department of Civil and Environmental Engineering
Structural Engineering
Date accepted
Graduation date
Master of Science
Degree level
Current design procedures for extended shear tab connections tend to be conservative and often do not include considerations for axial load. To address these problems, an investigation into the behaviour of extended shear tabs was completed by testing 23 full-scale specimens. Both unstiffened and stiffened extended shear tab specimens were tested that varied in plate thickness, plate depth, and the number of horizontal bolt lines. The specimens were tested by rotating the beam to 0.03 radians, applying a horizontal load, and then applying vertical load until failure. The horizontal loads varied from 500 kN in compression to 200 kN in tension. Based on the test results, design recommendations were made for both unstiffened and stiffened extended shear tabs. The recommendations include strength equations for bolt group design and plate design, while connection ductility is addressed by ensuring the plate will fail prior to bolt or weld rupture.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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